Finding the Fourth Proportional to 1,627.59, 2,442.60 and 1,306.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.59 : 2,442.60 = 1,306.83 : x
2. Step 2: Convert to fraction form
   1,627.59/2,442.60 = 1,306.83/x
3. Step 3: Cross multiply
   1,627.59x = 2,442.60 × 1,306.83
4. Step 4: Simplify right side
   1,627.59x = 3,192,062.96
5. Step 5: Solve for x
   x = 3,192,062.96/1,627.59
6. Step 6: Final answer
   x = 1,961.22